Danfoss 137U8199 iC7-Automation enclosed variable frequency drive, 385 A regenerative AFE AC drive with Modbus TCP communication, STO and SS1-t safety functions, IP21 enclosure and 380-500 V AC operation.
Why Choose the Danfoss 137U8199 iC7-Automation Enclosed Drive?
The Danfoss 137U8199 is a high-performance iC7-Automation enclosed variable frequency drive (VFD) designed for precise speed and torque control of large three-phase AC motors in demanding industrial automation and process applications. As part of the advanced Danfoss iC7-Automation enclosed drive series, it is engineered for installations requiring dependable motor control, efficient operation and flexible integration into modern industrial systems.
This enclosed drive combines regenerative Active Front End (AFE) technology, robust cabinet construction and industrial communication capability. The iC7 platform is designed for highly demanding applications, supporting reliable operation, improved power quality and advanced connectivity for modern automation networks.
With a 385 A current rating, a three-phase 380-500 V AC supply and an IP21 / UL Type 1 enclosure, the Danfoss 137U8199 is ideal for large pumps, fans, compressors, conveyors and process machinery. Its Modbus TCP communication, standard I/O and integrated STO and SS1-t functional safety make it suitable for advanced industrial control systems.
Key Advantages
High-performance enclosed variable frequency drive for industrial automation.
385 A current rating suitable for demanding large motor applications.
Three-phase 380-500 V AC input for industrial power networks.
Regenerative Active Front End (AFE) design supports energy recovery and improved power control.
IP21 / UL Type 1 enclosure for protected cabinet installation.
Modbus TCP communication for automation and control network integration.
Integrated Safe Torque Off (STO) and SS1-t functional safety.
Standard I/O and relay option for flexible system connectivity.
Key Features
Danfoss iC7-Automation enclosed drive series.
385 A rated current.
Three-phase 380-500 V AC input supply.
Regenerative AFE enclosed drive configuration.
IP21 / UL Type 1 protection rating.
Frame AE10 + IE10.
EMC Category C3.
Modbus TCP OS7MT communication interface.
STO and SS1-t safety functions with fieldbus support.
Control Panel 2.8 OPX20 operator interface.
Standard I/O with I/O and Relay Option OC7C1.
Air-cooled enclosed cabinet construction.
Reliable Motor Control with Regenerative Drive Technology
Variable frequency drives such as the Danfoss 137U8199 regulate motor speed and torque by adjusting output voltage and frequency. This helps large industrial motors operate efficiently while improving process control, reducing mechanical stress and supporting smoother machine performance.
The regenerative AFE design enables energy to be returned to the supply network in suitable applications, helping improve overall system efficiency. Combined with Modbus TCP communication, standard I/O and integrated safety functions, the iC7-Automation enclosed drive platform is well suited to demanding plant, process and heavy machinery systems.
Typical Applications
Large industrial pumps and pumping stations.
Fans, blowers and ventilation systems.
Compressors and process machinery.
Material handling and conveyor systems.
Cranes, hoists and regenerative motor applications.
The Danfoss 137U8199 is used to control large three-phase AC motors in demanding industrial automation, process control and heavy machinery applications.
What current rating does this drive have?
This enclosed drive has a 385 A rated current for large industrial motor applications.
What supply voltage does the drive require?
The Danfoss 137U8199 operates from a three-phase 380-500 V AC supply.
What communication protocol is included?
This model includes Modbus TCP communication for integration with industrial automation and control networks.
What safety functions are included?
The drive includes Safe Torque Off (STO) and SS1-t functional safety, with fieldbus safety support.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation enclosed drives are trusted by engineers, OEM machine builders and industrial operators for efficient high-power motor control, flexible connectivity and reliable performance in demanding industrial applications.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...